APA (7th ed.) Citation
Gaag, N. v. d. Because I am a girl the state of the world's girls 2011: So, what about boys? New Internationalist publications Limited.
Chicago Style (17th ed.) Citation
Gaag, Nikki van der. Because I Am a Girl the State of the World's Girls 2011: So, What About Boys? Surrey: New Internationalist publications Limited.
MLA (9th ed.) Citation
Gaag, Nikki van der. Because I Am a Girl the State of the World's Girls 2011: So, What About Boys? New Internationalist publications Limited.
Warning: These citations may not always be 100% accurate.